Treatment of Textile Dye Plant Effluent by Nanofiltration Membrane

Abstract

Abstract The study was concerned primarily with characterization of the NF45 membrane. Its pure water permeability, the mass transfer coefficient of NaCl, and the mean radius of the membrane pores were determined. Experiments run with five pure dye solutions and an industrial dye pulp solution confirmed the potential of nanofiltration membrane separation for the treatment of textile dye plant effluent. The effects of such significant parameters as initial solution concentration, transmembrane pressure, and type of dye on two fundamental characteristics of nanofiltration (flux and separation factor) were studied. Keywords: NanofiltrationMembraneCharacterizationTreatmentDyeEffluent ACKNOWLEDGMENTS We thank Hydro-Québec for its financial support which funded the publication of these results. Our thanks also go to Électricité de France for its support during the study of the city of Lyon and for having awarded Le Prix Innovalyon to Pierre-Jean Gallo, and furthermore to Hayka Inc. for the gracious loan of its rigs.